| Ögii nuur District | |
| Native Name: | Mongolian: Өгийнуур сум |
| Native Name Lang: | mn |
| Settlement Type: | District |
| Mapsize: | 220px |
| Mapsize1: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Mongolia |
| Subdivision Type1: | Province |
| Subdivision Name1: | Arkhangai Province |
| Timezone: | UTC + 8 |
| Utc Offset: | +8 |
| Website: | http://ugiinuur.ar.gov.mn/ |
Ögii nuur (mn|Өгий нуур, in Mongolian pronounced as /ɵˈɟi nʊːr/; "Ogii Lake") is a sum (district) in the east of Arkhangai Province in central Mongolia, near the confluence of the Tamir and Orkhon rivers. The sum is named after Ögii Lake. The administrative center is located some 100 km from Tsetserleg. In 2009, its population was 3,086.[1]